arr = ['cats', 'rats', 'bats']

print(', '.join(arr))
print(' '.join(arr))
print('|'.join(arr))

s = 'My name is Simon'
print(s.split())
print(s.split('m'))

ss = '''wo
shi
king'''
print(ss.split('\n'))
print('Hello'.center(20, '='))
print('  abc'.strip())